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Ammonia is kept in a cylinder with a movable piston at 25 degrees Celsius and 2.50 atm pressure. What is the pressure in the cylinder if the temperature is increased to 45 degrees Celsius and the piston is raised so that the volume occupied by the gas is doubled.
copper in salt water near the dischargeof a sewage treatment plant is determined by first seperating andconcentrating
Chemical Syntheis :At the end of the reaction you are to add ice. Which of the following are reasons for the adding ice. The melting ice dilutes the concentrated acids. The ice cools the reaction thus slowing it down to the point where it is effectiv..
At 25 °C and 765 Torr, carbon dioxide has a solubility of 0.0342 M in water. What is its solubility at 25 °C and 1470 Torr
Suggest at least one characteristic absorption each in the IR-spectra of 9-fluorenone and 9-hydrofluorene that could be used to distinguish between these two compounds
Given three acid-base indicators - methyl prance ( end point at pH 4 ) bromthymol blue ( end point at pH 7) , and phenolphthalein ( end point at pH 9) select a suitable indicator for the following titrations.
denaturation of a protein takes place over a small range of temperature as shown by the heat denaturation curve of
What is the pH of a buffer solution that is 0.10M methylamine and 0.10Mmethylammonium salt?what is the pH if 12ml of 0.20Mhcl
if the walls in a room are 955 square feet in area and a gallon of paint covers 15 square yards how many gallons of
Does that indicate the original alcohol is in that mixture? What is the source of 2-bromopentane?
Calculate the distance (in Angstroms) and energy (KJ/mol) where the molecules are most attractive.
A student must make a five-fold dilution of a 2.15 M HCl solution. If the student wishes to make 75.0 mL of the diluted solution, what volume of the 2.15 M soltution will he need to dilute
to 333 milliliters of a 0.120 molar pbno32 solution 0.667 milliliteres of 0.435 molar kio3 is added. calculate the
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